During a work-out session, an athlete moving along the x axis, has a zero average velocity (Varg = 0). Which of the statements below is correct about the motion of athlete?

Given
v_avg = 0 m/s
solution
The athlete is stationary over a given interval of time. Average speed is the ratio of the total distance travelled by a body to the total time interval taken to cover that particular distance.
The answer would be The athlete returns to the position where he started.